December weather forecastSedake, Japan

December

Weather in December

The first month of the winter, December, is also an agreeable month in Sedake, Japan, with temperature in the range of an average low of 18.3°C (64.9°F) and an average high of 20.2°C (68.4°F).

Temperature

December's arrival subtly correlates with a reduction in the average high-temperature, down from a warm 23.6°C (74.5°F) in November to an agreeable 20.2°C (68.4°F). Sedake encounters a small divergence from daytime high temperatures, averaging a low-temperature of 18.3°C (64.9°F) during December nights.

Humidity

In Sedake, Japan, the average relative humidity in December is 73%.

Rainfall

In December, in Sedake, the rain falls for 20.4 days. Throughout December, 78mm (3.07") of precipitation is accumulated. Throughout the year, there are 229.8 rainfall days, and 1512mm (59.53") of precipitation is accumulated.

Daylight

December has the shortest days of the year in Sedake, with an average of 10h and 30min of daylight.
On the first day of December in Sedake, sunrise is at 06:58 and sunset at 17:34. On the last day of the month, sunrise is at 07:15 and sunset at 17:45 JST.

Sunshine

The average sunshine in December is 4.2h.

UV index

The months with the lowest UV index in Sedake, Japan, are January and December, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum UV index of 4 during December leads to these instructions:
Guard yourself - An obligation to protect skin and eyes from harm exists. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Opt for tightly woven and loose clothing to enhance protection from the Sun.

Frequently asked questions

In Sedake, 20.2°C (68.4°F) is the average high-temperature and 18.3°C (64.9°F) is the average low-temperature during December. In September, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is appraised at 34°C (93.2°F).

In December, the average relative humidity in Sedake is 73%.

In December, in Sedake, Japan, the rain falls for 20.4 days. Throughout December, 78mm (3.07") of precipitation is accumulated.

With an average of 10h and 30min of daylight, December has the shortest days of the year in Sedake.

The average day length in December in Sedake is 10h and 31min.

On the first day of December in Sedake, Japan, sunrise is at 06:58 and sunset at 17:34. On the last day of the month, sunrise is at 07:15 and sunset at 17:45 JST.

In December, the average sunshine duration in Sedake, Japan, is 4.2h.

January and December, with an average maximum UV index of 4, are months with the lowest UV index in Sedake.

In Sedake, the average daily maximum UV index in December is 4. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Sedake, Japan

  • Average high temperature in December: 20.2°C

The warmest month (with the highest average high temperature) is August (29.4°C).
The month with the lowest average high temperature is January (18.6°C).

  • Average low temperature in December: 18.3°C

The month with the highest average low temperature is August (27.8°C).
The coldest month (with the lowest average low temperature) is January (16.3°C).

Average pressure in December
Sedake, Japan

  • Average pressure in December: 1020mbar

The month with the highest atmospheric pressure is January (1021mbar).
The month with the lowest atmospheric pressure is August (1006.7mbar).

Average wind speed in December
Sedake, Japan

  • Average wind speed in December: 25.7km/h

The windiest month (with the highest average wind speed) is December (25.7km/h).
The calmest month (with the lowest average wind speed) is May (18.4km/h).

Average humidity in December
Sedake, Japan

  • Average humidity in December: 73%

The month with the highest relative humidity is June (87%).
The month with the lowest relative humidity is January (72%).

Average rainfall in December
Sedake, Japan

  • Average rainfall in December: 78mm

The wettest month (with the highest rainfall) is June (228mm).
The driest month (with the least rainfall) is January (63mm).

Average rainfall days in December
Sedake, Japan

  • Average rainfall days in December: 20.4 days

The month with the highest number of rainy days is June (22.6 days).
The month with the least rainy days is November (16.2 days).

Average daylight in December /
Average sunshine in December
Sedake, Japan

  • Average daylight in December: 10h and 30min

The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).

  • Average sunshine in December: 4h and 12min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in December
Sedake, Japan

  • Average sunshine days in December: 7.1 days

The month with the most sunshine days is May (11.1 days).
The month with the least sunshine days is June (5.4 days).

Average UV index in December
Sedake, Japan

  • Average UV index in December: 4

The months with the highest UV index are June, July, August and September (UV index 7).
The months with the lowest UV index are January and December (UV index 4).

Average cloud cover in December
Sedake, Japan

  • Average cloud cover in December: 59

The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 37).

Average visibility in December
Sedake, Japan

  • Average visibility in December: 10km

The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is May (9km).